.topBar{
  //弹性盒子
  display : flex;
  //居中对齐（弹性盒子）
  align-items:center;
  padding : 4px 20px;

  &__city{
    color:#000;
    font-size:14px;
 
    &::after{
      content:'';
      display:inline-block;
      margin-left:6px;
      top: 10px;
      width: 0;
      height: 0;
      border-width: 4px;
      border-style: solid;
      border-color:#000 transparent transparent;
    }
  }

  &__search{
    flex:1px;
    height:28px;
    background-color: #f6f5f5;
    border-radius: 14px;
    margin: 0 14px;
  }

  &__scan{
    width:20px;
    height:20px;
    background: url("../../../icons/scan.svg") 50% / contain no-repeat;
  }
}